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permutations (version 1.0-0)

Permutations of a Finite Set

Description

Manipulates invertible functions from a finite set to itself. Can transform from word form to cycle form and back.

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Version

Install

install.packages('permutations')

Monthly Downloads

339

Version

1.0-0

License

GPL-2

Maintainer

Robin K S Hankin

Last Published

January 20th, 2016

Functions in permutations (1.0-0)

as.function.permutation

Coerce a permutation to a function

commutator

Group-theoretic commutator and group action

tidy

Utilities to neaten permutation objects

conjugate

Are two permutations conjugate?

permutation

Functions to create and coerce word objects and cycle objects

dodecahedron

The dodecahedron group

Retrieve particular cycles or components of cycles

fbin

The fundamental bijection

The identity permutation

valid

Functions to validate permutations

Ops.permutation

Arithmetic Ops Group Methods for permutations

shape

Shape of a permutation

length

Various vector-like utilities for permutation objects.

inverse

Inverse of a permutation

sgn

Sign of a permutation

size

Gets or sets the size of a permutation

derangement

Tests for a permutation being a derangement.

fixed

Fixed elements

permorder

The order of a permutation

nullperm

Null permutations

Print methods for permutation objects

Concatenation of permutations